For sale is an AR upper. The upper is a BCM A4 upper with a Black River Tactical bolt carrier group and a Black River Tactical barrel. Barrel is 14” in length, 1:7 twist, with mid-length gas system. BCM QRF 12” handguard. Deadair Keymount flash hider. BCM gas block and gas tube. BCM Ambi...
For sale is an AR upper. The upper is a BCM A4 upper with a Black River Tactical bolt carrier group and a Black River Tactical barrel. Barrel is 14” in length, 1:7 twist, with mid-length gas system. BCM QRF 12” handguard. Deadair Keymount flash hider. BCM gas block and gas tube. BCM Ambi...
For sale is an AR upper. The upper is a BCM A4 upper with a Black River Tactical bolt carrier group and a Black River Tactical barrel. Barrel is 14” in length, 1:7 twist, with mid-length gas system. BCM QRF 12” handguard. Deadair Keymount flash hider. BCM gas block and gas tube. BCM Ambi...